Allegro MicroSystems, LLC
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A3921KLPTR-T
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A3921KLPTR-T

Product Overview

Category

A3921KLPTR-T belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for motor control applications.

Characteristics

  • Integrated circuit
  • Motor control functionality
  • High performance and reliability
  • Compact size

Package

A3921KLPTR-T is available in a small outline package (SOP) format.

Essence

The essence of this product lies in its ability to efficiently control motors in various electronic devices.

Packaging/Quantity

A3921KLPTR-T is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 3.0V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: Up to 2.5A
  • Number of Pins: 16
  • Input Voltage Range: 0V to VCC

Detailed Pin Configuration

  1. VBB
  2. GND
  3. IN1
  4. IN2
  5. OUT1
  6. OUT2
  7. VREF
  8. VCP
  9. VREG
  10. VDD
  11. VDDP
  12. VDDC
  13. VDDH
  14. NC
  15. NC
  16. NC

Functional Features

  • Dual H-Bridge motor driver
  • Internal PWM current control
  • Overcurrent protection
  • Undervoltage lockout
  • Thermal shutdown protection
  • Fault diagnostics

Advantages and Disadvantages

Advantages

  • Efficient motor control
  • Compact size
  • High-performance capabilities
  • Comprehensive fault protection features

Disadvantages

  • Limited output current capacity
  • Restricted input voltage range

Working Principles

A3921KLPTR-T operates by receiving control signals from a microcontroller or other control circuitry. It utilizes its internal PWM current control to drive the connected motor in the desired direction and speed. The integrated fault protection features ensure safe operation and prevent damage to the motor or the IC itself.

Detailed Application Field Plans

A3921KLPTR-T finds applications in various fields, including: - Robotics - Automotive systems - Industrial automation - Consumer electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to A3921KLPTR-T are: - A3982SLPTR-T - DRV8833PWPR - L298N - TB6612FNG

These models offer similar motor control functionalities and can be suitable replacements depending on specific requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням A3921KLPTR-T у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of A3921KLPTR-T in technical solutions:

Q1: What is A3921KLPTR-T? A1: A3921KLPTR-T is a specific model of integrated circuit (IC) used for motor control applications.

Q2: What is the voltage rating of A3921KLPTR-T? A2: The voltage rating of A3921KLPTR-T is typically between 8V and 40V.

Q3: What type of motors can be controlled using A3921KLPTR-T? A3: A3921KLPTR-T is designed to control brushed DC motors, making it suitable for various applications such as robotics, automotive systems, and industrial automation.

Q4: What is the maximum current that A3921KLPTR-T can handle? A4: A3921KLPTR-T can handle a maximum continuous output current of up to 3.5A.

Q5: Does A3921KLPTR-T support bidirectional motor control? A5: Yes, A3921KLPTR-T supports bidirectional motor control, allowing for both forward and reverse rotation of the motor.

Q6: Can A3921KLPTR-T handle overcurrent protection? A6: Yes, A3921KLPTR-T includes built-in overcurrent protection features to safeguard the motor and the IC itself from excessive current.

Q7: Is A3921KLPTR-T compatible with microcontrollers? A7: Yes, A3921KLPTR-T can be easily interfaced with microcontrollers or other digital control systems through its standard logic-level inputs.

Q8: What is the operating temperature range of A3921KLPTR-T? A8: A3921KLPTR-T has an operating temperature range of -40°C to +125°C, making it suitable for a wide range of environments.

Q9: Does A3921KLPTR-T require any external components for operation? A9: Yes, A3921KLPTR-T requires external components such as power supply, motor driver circuitry, and decoupling capacitors for proper operation.

Q10: Can A3921KLPTR-T be used in battery-powered applications? A10: Yes, A3921KLPTR-T can be used in battery-powered applications as it supports a wide voltage range and low-power standby mode.

Please note that these answers are general and may vary depending on the specific application and requirements.